#642017#642017

#642017 is a dark, moderate red. Relative luminance 0.038; OKLCH L 34.8% C 0.100 H 30.4°. Best body text is #FFFFFF at 11.93:1 contrast (WCAG AA passes).

Color values

HEX	#642017
RGB	rgb(100, 32, 23)
HSL	hsl(7, 63%, 24%)
HSV	hsv(7, 77%, 39%)
CMYK	cmyk(0%, 68%, 77%, 60.8%)
CIE-LAB	lab(23.02, 30.11, 22.36)
CIE-LCH	lch(23.02, 37.50, 36.60°)
OKLab	oklab(34.78% 0.0865 0.0507)
OKLCH	oklch(34.78% 0.1 30.4)
XYZ	xyz(5.9273, 3.8050, 1.2328)
Luminance	0.0380 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#642017 #175B64

analogous

#641735 #642017 #644717

triadic

#642017 #176420 #201764

tetradic

#642017 #356417 #175B64 #471764

square

#642017 #356417 #175B64 #471764

split-complementary

#642017 #176447 #173564

monochromatic

#190806 #32100C #642017 #963022 #C8402E

Accessibility & contrast

On white

11.93

#642017 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.76

#642017 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #642017

11.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##642017	#FFFFFF	#000000	##FFFFFF
##642017	1.00	11.93	1.76	11.93
#FFFFFF	11.93	1.00	21.00	1.00
#000000	1.76	21.00	1.00	21.00
##FFFFFF	11.93	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#332E16

Deuteranopia (green-blind)

#443C15

Tritanopia (blue-blind)

#6E0F1E

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #642017;
/* rgb */ color: rgb(100, 32, 23);
/* oklch */ color: oklch(34.8% 0.100 30.4);

Tailwind

colors: {
  custom: {
    50: '#965f54',
    500: '#642017',
    950: '#000000',
  },
}

SCSS

$custom: #642017;
$custom-light: #965f54;
$custom-dark: #000000;

JSON

{
  "hex": "#642017",
  "rgb": {
    "r": 100,
    "g": 32,
    "b": 23
  },
  "hsl": {
    "h": 7.013,
    "s": 62.602,
    "l": 24.118
  },
  "oklch": {
    "l": 0.34784,
    "c": 0.10022,
    "h": 30.4
  },
  "luminance": 0.03804
}

Semantic roles & 50–950 ramp

primary

#642017

secondary

#3C8F9A

accent

#D3E642

background

#F9F5F4

surface

#F2E9E7

border

#CCC5C3

text

#0E0502

muted

#7E7978

Preview Lab

Preview with #642017

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →